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		<h1 class="tit">CSS Rules and Syntax</h1>
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		<h2 class="tit">语法与规则 Rules and Syntax</h2>
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						<th>名称</th>
						<th>版本</th>
						<th>描述</th>
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						<td><a href="!important.htm">!important</a></td>
						<td>CSS1</td>
						<td>提升指定样式条目的应用优先权。</td>
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						<td><a href="comment.htm">/*comment*/</a></td>
						<td>CSS1</td>
						<td>CSS中的注释 /* 这里是注释内容 */</td>
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						<td><a href="@import.htm" class="g-color-css3-change">@import</a></td>
						<td>CSS1/3</td>
						<td>指定导入的外部样式表及目标媒体。该规则必须在样式表头部最先声明</td>
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						<td><a href="@charset.htm">@charset</a></td>
						<td>CSS2</td>
						<td>在外部样式表文件内使用。指定该样式表使用的字符编码。</td>
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						<td><a href="@media.htm" class="g-color-css3-change">@media</a></td>
						<td>CSS2/3</td>
						<td>指定样式表规则用于指定的媒体类型和条件。</td>
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						<td><a href="@font-face.htm" class="g-color-css3-new">@font-face</a></td>
						<td>CSS3</td>
						<td>设置嵌入HTML文档的OpenType字体。</td>
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						<td><a href="@page.htm">@page</a></td>
						<td>CSS2</td>
						<td>设置页面容器的版式，方向，边空等。</td>
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						<td><a href="@keyframes.htm" class="g-color-css3-new">@keyframes</a></td>
						<td>CSS3</td>
						<td>指定动画名称和动画效果。</td>
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						<td><a href="@supports.htm" class="g-color-css3-new">@supports</a></td>
						<td>CSS3</td>
						<td>检测是否支持某特性。</td>
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			<p class="g-color-light"><strong class="g-color-css3-change">紫色</strong> 链接表示该属性在CSS3有修改或者增加了新的属性值；<strong class="g-color-css3-new">橙色</strong> 链接表示该属性是CSS3新增属性</p>
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